Which hormone is secreted mainly by the corpus luteum and helps maintain the uterine lining during early pregnancy?
Correct answer: A. Progesterone
- A. Progesterone
- B. Estrogen
- C. Follicle-stimulating hormone
- D. Luteinizing hormone
Explanation
Progesterone from the corpus luteum supports the endometrium and helps maintain early pregnancy. Estrogen supports reproductive tissues, while FSH and LH are pituitary hormones that regulate the ovaries.
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About Endocrine System
The endocrine system covers hormone-producing glands including the pituitary, thyroid, parathyroids, adrenals, pancreas, pineal gland, ovaries and testes. It explains hormone classes, target-cell responses, feedback control, and the functions of hormones such as insulin, thyroxine, cortisol, growth hormone and ADH, which is often confused with a kidney-produced substance.
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